Brake-shoe.



B. A. JOHNSON.

BRAKE SHOE.

APPLICATION FILED JULY 1,1913

1,081,046, Patented Dec. 9, 1913.

nnnnn STATES PATENT orrron BENJAMIN A. JOHNSON, OF CHICAGO, ILLINOIS.

BRAKE-SI'IOE.

LOSIJIMG.

Application filed July 1, 1913.

T0 aZZ whom it may concern:

Be it known that I, Bnivs'aivrm A. JoI-IN- son, a citizen of the UnitedStates, residing in Chi ago, in the county of Cook and State ofIllinois, have invented certain new and useful Improvei'nents inBrake-Shoes, of which I do declare the following to be a full, clear,and exact description, reference being had to the accompanying drawing,forming a part of this specification.

My present invention has relation, more particularly, to that class ofbrake shoes in which provision is made for securing the brake shoe tothe brake head by provlding the shoe with a ductile metal fastening lug.

The invention consists of the features of novelty hereinafter described,illustrated in the accompanying drawing and particularly pointed out inthe claims at the end of this specification.

Figure 1 is a plan view, and Fig. 2 is a view in side elevation, of abrake shoe embodying my invention. Fig. 3 is a view in cross section onlines 33 of Fig. 2. Fig. 4 is a view in longitudinal. section 011 line4:-4t of Fig. 1.

In the accompanying drawing, 1 designates the body of the brake shoe,that may be formed, as usual, of cast metal, and 2 designates thereinforcing ductile metal back or back plate of the shoe.

The body of the brake shoe may be of any suitable shape, and thereinforcing back 2 may be of any of the familiar forms, such forexample, as are now commonly used for strengthening or reinforcement ofthe shoe.

To the back 2 of the brake shoe is connected, as by a rivet or pin 8,the ductile metal fastening lug Preferably, this ductile metal fasteninglug is formed from a tubular bar that is first flattened and thereafterbent to give a rectangular shape to the lug at, the bottom. walls 5 ofthe lug 4- being preferably separated a distance corresponding tothe'diameter of the body portion o the rivet or pin 3. The body of therivet or pin 8 passes through the slotin the bottom of the lug- 4 andthrough a hole formed centrally through the back plate 2, and theexpanded heads or ends 3" and 8 of the rivet or pin 3 bear respectivelyagainst the bottom wall of the lug 4t and against the under side of theback plate 2, thereby securely holding the parts together.

In forming a brake shoe in accordance with my invention, the attachinglug i will Specification of Letters Patent.

Patented Dec. 9, 1913.

Serial No. 776,769.

preferably be bent to the shape shown and this lug will then beconnected to the back 2 by means of the vertical rivet or pin 3 pas-sinthrough the lug and through the back p ate, and the ends of the rivet orpin will be upset so as to securely retain the parts together.Thereafter, the back plate, with the lug in position, will be placed ina suitable mold into which the cast metal, to form the body of the shoe,will be poured.

In the preferred form of my invention, the cast metal forming the bodyof the shoe will be extended upward to form the abutments 1 at each sideof the central fastening lug 4:, these abutments 1 preferably extendingslightly above and over the crown or top of the lug a.

YVhile I have described what I regard as the preferred embodin'ient ofmy invention, I wish it understood that the details above set forth maybe varied without departing from the spirit of the invention.

So far as I am aware, my invention presents the first instance of abrake shoe having a ductile metal lug connected to a ductile metalreinforcing back plate by means of a part projecting from the back platethrough a slot formed in the bottom of the lug be tween its side walls.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent, is

1. A brake shoe comprising the combination with a cast metal body and aductile metal reinforcing back, of a ductile metal fastening lug havingintegral top, sides and bottom, said bottom having a transverse,open-ended slot therein and a part extending up from said reinforcingback through said slot and serving to unite the back and lug together.

2. A brake shoe comprising the combination witn a castmetal body and aductile metal reinforcing back, of a ductile metal fastening lug havingintegral top, sides and bottom, and a pin or rivet extending through thebottom of said lug between the sides thereof and serving to unite saidback and lug together.

8. A brake shoe comprising the combination with a cast metal body and aductile metal reinforcing back, of a ductile metal fastening lug havingan integral top, sides and bottom, the bottom being formed of inardlyturned parts, and a pin or rivet extending through the bottom of saidlug and through said ductile metal back and servsaid ductile metal hack,the ends of said pin ing to unite said parts together. or rivet beingexpanded, and serving to unite 10 4:. A brake shoe comprising thecombinasaid parts together. tlOIl a Cast metal and {l ductile A metalreinforcing back, of a ductile metal fastening lug having an open-endedslot in Nitnesses:

its bottom, and a pin or rivet extending GEO. P. FISHER, through theslot of said lug and through J. G. ANDERSON.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents. Washington, D. C.

